| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim O'Toole | CIN | 8.94 | 196305010_ATL_CIN |
| Ralph Terry | NYA | 6.83 | 196305010_NYA_ANA |
| Bob Friend | PIT | 3.94 | 196305010_SFN_PIT |
| Curt Simmons | SLN | 3.38 | 196304300_ATL_SLN |
| Steve Barber | BAL | 3.26 | 196304300_BAL_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Sadecki | SLN | -2.23 | 196305010_CHN_SLN |
| Don Cardwell | PIT | -2.08 | 196305020_SFN_PIT |
| Lew Burdette | ATL | -1.76 | 196305010_ATL_CIN |
| Joe Horlen | CHA | -1.75 | 196305012_BAL_CHA |
| Al Jackson | NYN | -0.25 | 196305020_HOU_NYN |
Based on accumulated WAA for this season up to 1963-05-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.55 | Tom Cheney | 36 | TEX |
| +002+ | 2.21 | Bob Buhl | 39.3 | CHN |
| +004+ | 1.82 | Ernie Broglio | 39.7 | SLN |
| +005+ | 1.81 | Jim O'Toole | 48 | CIN |
| +006+ | 1.79 | Ray Washburn | 44.7 | SLN |
| +007+ | 1.75 | Curt Simmons | 36 | SLN |
| +009+ | 1.7 | Warren Spahn | 42.7 | ATL |
| +011+ | 1.69 | Dick Ellsworth | 32.7 | CHN |
| +012+ | 1.67 | Steve Barber | 45.7 | BAL |
| +019+ | 1.33 | Bob Miller | 36.7 | LAN |
| XXXXX | 1.22 | Sandy Koufax | 29.7 | LAN |
| XXXXX | 1.22 | Juan Pizarro | 33.7 | CHA |
| XXXXX | 1.21 | Jim Bunning | 41.7 | DET |
| XXXXX | 1.18 | Billy O'Dell | 29.7 | SFN |
| XXXXX | 1.11 | Orlando Pena | 31 | OAK |
| XXXXX | 1.11 | Milt Pappas | 25 | BAL |
| XXXXX | 1.08 | Joe Gibbon | 13.7 | PIT |
| XXXXX | 0.99 | Dave Morehead | 16 | BOS |
| XXXXX | 0.99 | Dick Stigman | 31 | MIN |
| XXXXX | 0.98 | Ken Johnson | 29 | HOU |
| XXXXX | 0.94 | Larry Jackson | 47.3 | CHN |
| XXXXX | 0.94 | Phil Regan | 26.7 | DET |
| XXXXX | 0.93 | Ed Rakow | 31.3 | OAK |
| XXXXX | 0.87 | Larry Sherry | 11.3 | LAN |
| XXXXX | 0.85 | Juan Marichal | 42 | SFN |
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